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A1000 between inner ring road and inner ring road, Hertfordshire (Grid ref TL248135) A1000 between Ring Rd Jct S and Ring Rd Jct N, Hertfordshire (Grid ref TL248136) A1000 between B195W and Ring Rd Jct S, Hertfordshire (Grid ref TL244133) U, Daniells, Hertfordshire (Grid ref TL252131) B195, Welwyn Garden City, Hertfordshire (Grid ref TL252131) U, Rowans, Hertfordshire (Grid ref TL253140) U, Fallowfield, Hertfordshire (Grid ref TL247143) B195, Bridge Road, Hertfordshire (Grid ref TL239131) U, Ridgeway, Hertfordshire (Grid ref TL254127) U, Howardsgate, Hertfordshire (Grid ref TL236130) A1000 between A6129 and B195 W, Hertfordshire (Grid ref TL240121) A1000 between A1000 Mundells and A1000 Hertford Rd, Hertfordshire (Grid ref TL241150) A6129 between B197 and A1000, Hertfordshire (Grid ref TL235120) B195, Black Fan Road, Hertfordshire (Grid ref TL262120) U, Applecroft Road, Hertfordshire (Grid ref TL229125) A1000 between Bessemer Rd and A1000 split, Hertfordshire (Grid ref TL240154) U, Mornington, Hertfordshire (Grid ref TL252157) U, Moorlands, Hertfordshire (Grid ref TL252112) A1 between J5 and J6, Hertfordshire (Grid ref TL223140) A1000 between A1000 split and A1M/B197 S, Hertfordshire (Grid ref TL233157)